Feature

Blue and Red Flowers Colored with Same Dye

Ancient Bear Bone Fetish Gave Man Artistic Urge

Barn Swallow and Bobolink Long Distance Fliers

Moon Visible during Polar Winters

Studies “Hearing” of Unspoken Words

Oysters Grow Best in Harbors

California Children Taught Lessons by Radio

Ears Get Tired after Hard Day, Say Scientists

School Rooms Badly Lighted, Says Expert

Discover Russian Site Popular with Prehistoric Men

Spleen an Aid in Resisting Tuberculosis and Tumors

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